BMW X3 Service & Repair Manual: Removing and installing/replacing expansion tank for hydraulic brake control
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION.
- Remove COWL PANEL COVER /service opening on left.
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
Disconnect plug connection (1).
Release retaining screw (2).
Detach expansion tank (3) by pulling vertically upward.
IMPORTANT: Check rubber plugs (1) in brake master cylinder for damage and replace if necessary.
Push the expansion tank vertically onto the master brake cylinder.
Master brake cylinder
OVERVIEW OF BRAKE MASTER CYLINDER/BRAKE BOOSTER
...
Removing and installing/replacing tandem brake master cylinder for dsc
Necessary preliminary tasks:
Read and comply with GENERAL INFORMATION.
Remove EXPANSION TANK.
REMOVE left partition wall for units compartment ...
Other materials:
BMW X3 Service & Repair Manual > Brake booster: Replacing vacuum hose for brake booster (diesel fuel)
Necessary preliminary tasks:
Read and comply with GENERAL INFORMATION.
Remove left TRAILING LINK .
REMOVE left partition wall for units compartment.
IMPORTANT:
Before beginning repair work, fully press the brake pedal several times to reduce the vacuum
pressure in the brake servo.
...